Upgrading compatibility to opensearch 2.5 (opensearch-project#367)

* Upgrading compatibility to opensearch 2.5

Signed-off-by: amitai stern <123amitai@gmail.com>

* latest 2.4 version

Signed-off-by: amitai stern <123amitai@gmail.com>

* keep existing compatibility matrix rows, this pr adds a new row for versions of opensearch after 2.3.0

Signed-off-by: amitai stern <123amitai@gmail.com>

---------

Signed-off-by: amitai stern <123amitai@gmail.com>

.github/workflows/test-integration.yml

@@ -17,6 +17,8 @@ jobs:
  - { opensearch_version: 2.1.0, java: 11 }
  - { opensearch_version: 2.2.1, java: 11 }
  - { opensearch_version: 2.3.0, java: 11 }
+ - { opensearch_version: 2.4.1, java: 11 }
+ - { opensearch_version: 2.5.0, java: 11 }
  steps:
  - name: Set up JDK ${{ matrix.java }}
  uses: actions/setup-java@v1

COMPATIBILITY.md

@@ -6,10 +6,11 @@
 The below matrix shows the compatibility of the [`opensearch-java-client`](https://search.maven.org/artifact/org.opensearch.client/opensearch-java) with versions of [`OpenSearch`](https://opensearch.org/downloads.html#opensearch).
 
 | Client Version | OpenSearch Version |
-| --- | --- |
-| 1.0.0 | 1.0.0-1.3.3 |
-| 2.0.0 | 1.3.3-2.0.1 |
-| 2.1.0 | 1.3.3-2.3.0 |
+|----------------|--------------------|
+| 1.0.0 | 1.0.0-1.3.3 |
+| 2.0.0 | 1.3.3-2.0.1 |
+| 2.1.0 | 1.3.3-2.3.0 |
+| 2.2.0 | 1.3.3-2.5.0 |
 
 ## Upgrading